ECZ 2018 · O-Level Paper 1 — Travel Graphs
The diagram below is a speed-time graph of a particle which accelerates uniformly from rest for 12 seconds until it reaches a speed of 24 m/s. It moves at a constant speed for a further 12 seconds before it accelerates uniformly for another 6 seconds to a speed of V m/s. (a) Calculate its acceleration for the first 12 seconds.
- A. 12m/s2
- B. 2m/s2
- C. 24m/s2
- D. 1m/s2
Verified working — step 1
Acceleration = change in speedtimeThe full step-by-step working and final answer are included with Premium — checked against ECZ marking standards.
Original examination question © Examinations Council of Zambia. Worked solution and commentary © G12 Titan — not to be reproduced without permission.
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